<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>1</title>
</head>
<body>
    <div id='app'>
        {{ firstName }}, {{ lastName }}
    </div>
    <script src="../vue.js"></script>
    <script>
        var App = new Vue({
                el: "#app", // 用于挂载要管理的数据
                data: { // 定义数据
                    firstName: "christopher",
                    lastName: "harrison"
                }
        });
    </script>
</body>
</html>